2023-12-28 18:57:11 (M4.9) South Sandwich Islands region -56.2 -27.3 (1cbfb)

[USGS ENS <ens@xxxxxxxxxxxx>]

M4.9 Earthquake - South Sandwich Islands region

Preliminary Report

Magnitude	4.9
Date-Time	Universal Time (UTC): 28 Dec 2023 18:57:11 Time near the Epicenter (1): 28 Dec 2023 16:57:11 Time in your area (1): 28 Dec 2023 10:57:11
Location	56.187S 27.281W
Depth	88 km
Distances	2402.9 km (1489.8 mi) SW of Edinburgh of the Seven Seas, Saint Helena 2559.4 km (1586.8 mi) ENE of Ushuaia, Argentina 2564.2 km (1589.8 mi) E of Río Grande, Argentina 2757.9 km (1709.9 mi) E of Río Gallegos, Argentina 2771.7 km (1718.5 mi) E of Puerto Deseado, Argentina
Location Uncertainty	Horizontal: 11.9 km; Vertical 5.5 km
Parameters	Nph = 48; Dmin = 623.1 km; Rmss = 0.57 seconds; Gp = 76° Version =
Event ID	us 6000m08u

(1) Nominal Standard Time; local and daylight savings time zone may differ.
For updates, maps, and technical information
see: Event Page or USGS Earthquake Hazards Program
National Earthquake Information Center
U.S. Geological Survey


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